package cm.hyb;

import java.nio.charset.Charset;
import java.text.DateFormat;
import java.text.SimpleDateFormat;

import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.web.HttpMessageConverters;
import org.springframework.context.annotation.Bean;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;

import cm.hyb.mapper.EmployeeMapper;

@SpringBootApplication   //包含了@Configuration和@Component注解。
@Controller    //相似于@Component,差别：Controller知道是一个控制器，@Component不知道
@MapperScan(basePackageClasses=EmployeeMapper.class)

public class Main {



	public static void main(String[] args) {    //request.getPath()
		// TODO Auto-generated method stub
		//Spring boot 的第一种启动方式
		SpringApplication.run(Main.class, args);
		//Spring boot 的第二种启动方式：通过Maven build..输入Spring-boot进行启动
		//通过命令符java -jar --servlet.prot=80 启动打包的jar包，
	}

	//Maven支持将Tomcat注入
	@RequestMapping("/hello")   //拦截所有注入的RUI并做判断是否可以进入Servlet，Servlet的路径支持通配符。浏览器访问地址：http://localhost:8080/hello
	@ResponseBody
	public String hello() {
		return "<h1>Spring-boot是一场java的技术革命！</h1>";
	}

	@Value("${date.patten}")
	private String Pattern;
	@Bean
	public DateFormat dateFormat() {
		return new SimpleDateFormat(Pattern);
	}

	@Bean
	public HttpMessageConverters fastjsonHttpMessageConverter() {
		// 定义一个转换消息的对象
		FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
		// 添加fastjson的配置信息 比如 ：是否要格式化返回的json数据
		FastJsonConfig fastJsonConfig = new FastJsonConfig();
		fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);
		fastJsonConfig.setCharset(Charset.forName("utf-8"));
		// 在转换器中添加配置信息
		fastConverter.setFastJsonConfig(fastJsonConfig);
		HttpMessageConverter<?> converter = fastConverter;
		return new HttpMessageConverters(converter);

	}

}
